Diesel Oil Filters

Fleetguard LF3970 Spin-On Lube Filter

Name: Fleetguard LF3970 Spin-On Lube Filter
Brand: Diesel Oil Filters
Price: 21.95 USD
Availability: OutOfStock

Premium heavy-duty spin-on oil filter engineered to meet or exceed OE performance
requirements for modern diesel engine applications.

SKU:

Category: Oil Filters

$21.95 USD

Sale Sold out

Product Compatibility

Heavy-duty diesel engine applications
Common fleet and commercial truck use

Specification	Value
Part Number	LF3970
Filter Type	Lube / Oil Filter
Length	6.96 in / 176.78 mm
Largest OD	3.68 in / 93.53 mm
Gasket OD	2.83 in / 71.98 mm
Gasket ID	2.46 in / 62.53 mm
Thread Size	1.125-16 UNF 2B
Rated Flow	21.93 gpm / 83 L/min
Hydrostatic Burst Minimum	299.93 psi
Primary Particle Efficiency	24.60 micron @ 98.7%
Pressure Valve	No

Premium heavy-duty spin-on oil filter
Meets or exceeds OEM performance standards
High contaminant removal efficiency
Durable heavy-duty construction
Reliable oil flow performance
Compatible with multiple diesel applications
Replacement for older Fleetguard models

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Frequently Asked Questions

Everything you need to know before ordering.

Most diesel engines require oil filter replacement during every scheduled oil change. Always follow the manufacturer's maintenance recommendations.

Fuel filter replacement intervals vary by engine and operating conditions, but many diesel engines require replacement every 10,000–30,000 miles.

You can search by part number, OEM number, engine model, or manufacturer cross-reference. If you're unsure, contact us and we'll help identify the correct filter.

Many diesel engines use a primary and secondary fuel filter system to remove contaminants and protect sensitive fuel injection components.

Yes. Many oil, fuel, air, and coolant filters have equivalent replacements across multiple manufacturers.

Most in-stock orders are processed within one business day and shipped from our warehouse.